/**
 * Copyright 2017 Sun Jian
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.crazysunj.domain.interactor.download;

import com.crazysunj.domain.interactor.UseCase;
import com.crazysunj.domain.repository.download.DownloadRepository;

import java.io.File;

import javax.inject.Inject;

import io.reactivex.Flowable;

/**
 * author: sunjian
 * created on: 2017/9/5 下午5:34
 * description: https://github.com/crazysunj/CrazyDaily
 */

public class DownloadUseCase extends UseCase<File, DownloadUseCase.Params> {

    private final DownloadRepository mDownloadRepository;

    @Inject
    public DownloadUseCase(DownloadRepository downloadRepository) {
        mDownloadRepository = downloadRepository;
    }

    @Override
    protected Flowable<File> buildUseCaseObservable(Params params) {
        return mDownloadRepository.download(params.url, params.saveFileDir);
    }


    public static final class Params {

        private final String url;
        private final File saveFileDir;

        private Params(String url, File saveFileDir) {
            this.url = url;
            this.saveFileDir = saveFileDir;
        }

        public static Params get(String url, File saveFileDir) {
            return new Params(url, saveFileDir);
        }
    }
}
